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When hydrogen atom is in it's first exci...

When hydrogen atom is in it's first excited level, its radius is ________ it's ground state radius.

A

Half

B

Same

C

Twice

D

Four times

Text Solution

Verified by Experts

The correct Answer is:
D
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SURA PUBLICATION-NUCLEAR PHYSICS-ADDITIONAL QUESTIONS & ANSWER (FILL IN THE BLANKS)
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  18. The mass of an atom is concentrated in its central part called.

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  19. Henry Becquerel discovered in 1896.

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